https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7445
Bug ID: 7445
Summary: The default mbox separator regex is dangerously
pedantic
Product: Spamassassin
Version: 3.4.1
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Libraries
Assignee: dev@spamassassin.apache.org
Reporter: rwmailli...@googlemail.com
Target Milestone: Undefined
Created attachment 5456
--> https://bz.apache.org/SpamAssassin/attachment.cgi?id=5456&action=edit
patch to allow single spacing
In the user list thread "sa-learn won't read db created via MSTOR" sa-learn
found no emails in an mbox file because the separator looked like this:
>From - Sat Jul 8 01:02:28 2017
The important thing is the single space before the 8. The default regex looks
for " .\d " so a single digit date has to be justified with either an extra
space or a leading 0.
What's particularly bad is that it's not consistent. The OP was lucky that it
happened on the 8th, a couple of days later and it would have appeared to work.
The worst case is where the dates are mixed, in which case many of the emails
will get concatenated. Changing "." to ".?" fixes the problem - see patch.
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